diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..7f216700
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "app/src/main/resources/backend-submodule"]
+	path = app/src/main/resources/backend-submodule
+	url = https://github.com/yapp-wespot/backend-submodule.git
diff --git a/app/src/main/resources/backend-submodule b/app/src/main/resources/backend-submodule
new file mode 160000
index 00000000..7026cbec
--- /dev/null
+++ b/app/src/main/resources/backend-submodule
@@ -0,0 +1 @@
+Subproject commit 7026cbec46e0ddbbd623b101eda33721c53744da
diff --git a/app/src/main/resources/config/application-local.yml b/app/src/main/resources/config/application-local.yml
deleted file mode 100644
index 74dac602..00000000
--- a/app/src/main/resources/config/application-local.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-spring:
-  sql:
-    init:
-      mode: always
-  datasource:
-    url:
-    username:
-    password:
-
-  jpa:
-    show-sql: true
-    properties:
-      hibernate:
-        use_sql_comments: true
-        format_sql: true
-    hibernate:
-      ddl-auto: validate
-    defer-datasource-initialization: true
-
-logging:
-  level:
-    org.hibernate.type.descriptor.sql: trace
-
-management:
-  endpoints:
-    enabled-by-default: false
-
-environment: local
diff --git a/app/src/main/resources/config/application.yml b/app/src/main/resources/config/application.yml
deleted file mode 100644
index 999673b6..00000000
--- a/app/src/main/resources/config/application.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-spring:
-  profiles:
-    active: local
-
-  jpa:
-    hibernate:
-      ddl-auto: validate
-    properties:
-      hibernate:
-        jdbc:
-          time_zone: UTC
-        dialect: org.hibernate.dialect.MySQL8Dialect
-
-server:
-  tomcat:
-    access-log:
-      enabled: true
-  port: 8080
-